128288846 has 16 divisors (see below), whose sum is σ = 220214400. Its totient is φ = 54908280.

The previous prime is 128288789. The next prime is 128288873. The reversal of 128288846 is 648882821.

It is a self number, because there is not a number n which added to its sum of digits gives 128288846.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5705 + ... + 17003.

It is an arithmetic number, because the mean of its divisors is an integer number (13763400).

Almost surely, 2^128288846 is an apocalyptic number.

128288846 is a deficient number, since it is larger than the sum of its proper divisors (91925554).

128288846 is a wasteful number, since it uses less digits than its factorization.

128288846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12119.

The product of its digits is 393216, while the sum is 47.

The square root of 128288846 is about 11326.4666158516. The cubic root of 128288846 is about 504.3472217852.

The spelling of 128288846 in words is "one hundred twenty-eight million, two hundred eighty-eight thousand, eight hundred forty-six".